Seiko Cal. 4540 - 598

The Seiko 4540-598 represents an important milestone in Seiko's 1970 lineup. It features a Silver dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-ef8805d85c06]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

46mm

Case Thickness

9.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Silver

Jewels

31j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1970

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